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syed_alizafar

Syed Ali Zafar

@syed_alizafar

Senior Backend Engineer APIs, Webhooks and SaaS Reliability

Pakistán
Inglés, Urdu, Hindi
Parte de la información aparece en idioma inglés.
Sobre mí
I help SaaS teams diagnose and repair APIs, payments, authentication, data workflows, background jobs, and production failures. My core stack includes TypeScript, JavaScript, Node.js, NestJS, Express, Next.js, PostgreSQL, Supabase, Stripe, AWS, and Docker. I’m comfortable working in inherited codebases, tracing issues across logs and services, and delivering focused changes with tests, useful logging, and a clear handoff. I have worked on healthcare integrations, scientific-data workflows, fintech event processing, and compliance systems. I personally scope and deliver every project. ... Lee más

Habilidades

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syed_alizafar
Syed Ali Zafar
desconectado • 

Revisa mis servicios

API e integraciones
I will fix webhook failures in your nodejs saas
DeUSD 250 / proyectoMás información
Desarrollo de chatbots de IA
I will fix rag chatbot errors and unreliable answers in your saas
DeUSD 250 / proyectoMás información

Porfolio

Experiencia laboral

Upwork

Senior Backend Developer | Node.js, NestJS, TypeScript, AWS

Upwork • Trabajador autónomo

Aug 2025 - Present • 1 yr

built and stabilize Node.js/NestJS backends for SaaS products APIs, payments, authentication, webhooks, queues and PostgreSQL workflows. My recent work From Upwork includes healthcare data pipelines and multi tenant compliance systems.